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 TM 55-1925-273-10-1
0067 00
VALVE LINE-UP AND INDICATORS
Position or Reading
Condensing
Condensing
Turn-Off
Normal Mode
Single Unit Mode
Op.
Non-Op.
Unit #1
Unit #2
Mode (both)
(both Units)
Shut
Open
Open
Shut
GS33
GS34
Shut
Open
Open
Shut
GS69
GS70
Shut
Open
Open
Shut
GS36
GS37
Shut
Shut
Shut
Shut
GS83
GS72
Open
Open
Open
Open
Compressor Discharge Valve
Shut
Open
Open
Shut
Compressor Suction Valve
Shut
Open
Open
Shut
Condensor Outlet Valve
Shut
Shut
Open
N/A
RFAC-39
Shut
Open
Open
Shut
Dehydrator Outlet Valve
Shut
Shut
Shut
Shut
Dehydrator Bypass Valve
Shut
Open
Open
Shut
Dehydrator Inlet Valve
Open
Open
Open
Open
Refrigerant Pressure Gauge Valve
Shut
Open
Open
Shut
Oil Pressure Gauge Valve
Shut
Open
Open
N/A
RFAC-30
RFAC-31
Shut
Open
Open
N/A
RFAC-29
RFAC-58
Shut
Open
Open
N/A
RFAC-37
RFAC-33
Shut
Open
Open
N/A
RFAC-36
RFAC-32
Shut
Open
Open
N/A
RFAC-42
RFAC-35
Shut
Open
Open
N/A
RFAC-38
RFAC-34
Shut
Open
Open
N/A
---
RFAC-56
Shut
Open
Open
N/A
---
RFAC-40
Relief Valve By-Pass Valve
Shut
Open
Open
Shut
(Equalizing Line)
Shut
Shut
Shut
Shut
Purge Valve
Shut
Shut
Shut
Shut
Charge and Drain Valve
Shut
Shut
Open
N/A
RFAC-41
Shut
Open
Open
Shut
RFAC-55
RFAC-54
N/A
120-130
120-130
N/A
Discharge Pressure Gauge (PSIG)
N/A
1 - 3 in/hg
1 - 3 in/hg
N/A
Suction Pressure Gauge
N/A
Note 1
Note 1
N/A
Oil Pressure Gauge
85 F
85 F
N/A
Design
Design
N/A
Inlet Water Temperature
92.3 F
92.3 F
N/A
Design
Design
N/A
Outlet Water Temperature
N/A
25 - 15 F
25 - 15 F
N/A
Suction Gas Temperature
N/A
100 - 110 F
100 - 110 F
1/8 - 1/2
Liquid Line Temperature
1/8 or slightly
1/8 or slightly
1/8 - 1/2
lower
lower
1/8 - 1/2
Liquid Level Indicator
1/4 - 3/4
1/4 - 3/4
1/4 - 3/4
1/4 - 3/4
Oil Level Indicator
Blue
Blue
Blue
Blue
Moisture Indicator
Note: Oil pressure should be 16-22 PSIG above suction pressure.
Placard 23. HVAC Valve Line-up
0067 00-31
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